# Copyright (c) Microsoft Corporation.
# Licensed under the MIT License.

import json

# <FirstCodeSnippet>
import requests

graph_url = 'https://graph.microsoft.com/v1.0'


def get_user(token):
    # Send GET to /me
    user = requests.get(
        '{0}/me'.format(graph_url),
        headers={
            'Authorization': 'Bearer {0}'.format(token)
        },
        params={
            '$select': 'displayName,mail,mailboxSettings,userPrincipalName'
        })
    # Return the JSON result
    return user.json()


# </FirstCodeSnippet>

# <GetCalendarSnippet>
def get_calendar_events(token, start, end, timezone):
    # Set headers
    headers = {
        'Authorization': 'Bearer {0}'.format(token),
        'Prefer': 'outlook.timezone="{0}"'.format(timezone)
    }

    # Configure query parameters to
    # modify the results
    query_params = {
        'startDateTime': start,
        'endDateTime': end,
        '$select': 'subject,organizer,start,end',
        '$orderby': 'start/dateTime',
        '$top': '50'
    }

    # Send GET to /me/events
    events = requests.get('{0}/me/calendarview'.format(graph_url),
                          headers=headers,
                          params=query_params)

    # Return the JSON result
    return events.json()


# </GetCalendarSnippet>

# <CreateEventSnippet>
def create_event(token, subject, start, end, attendees=None, body=None, timezone='UTC'):
    # Create an event object
    # https://docs.microsoft.com/graph/api/resources/event?view=graph-rest-1.0
    new_event = {
        'subject': subject,
        'start': {
            'dateTime': start,
            'timeZone': timezone
        },
        'end': {
            'dateTime': end,
            'timeZone': timezone
        }
    }

    if attendees:
        attendee_list = []
        for email in attendees:
            # Create an attendee object
            # https://docs.microsoft.com/graph/api/resources/attendee?view=graph-rest-1.0
            attendee_list.append({
                'type': 'required',
                'emailAddress': {'address': email}
            })

        new_event['attendees'] = attendee_list

    if body:
        # Create an itemBody object
        # https://docs.microsoft.com/graph/api/resources/itembody?view=graph-rest-1.0
        new_event['body'] = {
            'contentType': 'text',
            'content': body
        }

    # Set headers
    headers = {
        'Authorization': 'Bearer {0}'.format(token),
        'Content-Type': 'application/json'
    }

    requests.post('{0}/me/events'.format(graph_url),
                  headers=headers,
                  data=json.dumps(new_event))


# </CreateEventSnippet>

# /* spell-checker: disable */
# <ZoneMappingsSnippet>
# Basic lookup for mapping Windows time zone identifiers to
# IANA identifiers
# Mappings taken from
# https://github.com/unicode-org/cldr/blob/master/common/supplemental/windowsZones.xml
zone_mappings = {
    'Dateline Standard Time': 'Etc/GMT+12',
    'UTC-11': 'Etc/GMT+11',
    'Aleutian Standard Time': 'America/Adak',
    'Hawaiian Standard Time': 'Pacific/Honolulu',
    'Marquesas Standard Time': 'Pacific/Marquesas',
    'Alaskan Standard Time': 'America/Anchorage',
    'UTC-09': 'Etc/GMT+9',
    'Pacific Standard Time (Mexico)': 'America/Tijuana',
    'UTC-08': 'Etc/GMT+8',
    'Pacific Standard Time': 'America/Los_Angeles',
    'US Mountain Standard Time': 'America/Phoenix',
    'Mountain Standard Time (Mexico)': 'America/Chihuahua',
    'Mountain Standard Time': 'America/Denver',
    'Central America Standard Time': 'America/Guatemala',
    'Central Standard Time': 'America/Chicago',
    'Easter Island Standard Time': 'Pacific/Easter',
    'Central Standard Time (Mexico)': 'America/Mexico_City',
    'Canada Central Standard Time': 'America/Regina',
    'SA Pacific Standard Time': 'America/Bogota',
    'Eastern Standard Time (Mexico)': 'America/Cancun',
    'Eastern Standard Time': 'America/New_York',
    'Haiti Standard Time': 'America/Port-au-Prince',
    'Cuba Standard Time': 'America/Havana',
    'US Eastern Standard Time': 'America/Indianapolis',
    'Turks And Caicos Standard Time': 'America/Grand_Turk',
    'Paraguay Standard Time': 'America/Asuncion',
    'Atlantic Standard Time': 'America/Halifax',
    'Venezuela Standard Time': 'America/Caracas',
    'Central Brazilian Standard Time': 'America/Cuiaba',
    'SA Western Standard Time': 'America/La_Paz',
    'Pacific SA Standard Time': 'America/Santiago',
    'Newfoundland Standard Time': 'America/St_Johns',
    'Tocantins Standard Time': 'America/Araguaina',
    'E. South America Standard Time': 'America/Sao_Paulo',
    'SA Eastern Standard Time': 'America/Cayenne',
    'Argentina Standard Time': 'America/Buenos_Aires',
    'Greenland Standard Time': 'America/Godthab',
    'Montevideo Standard Time': 'America/Montevideo',
    'Magallanes Standard Time': 'America/Punta_Arenas',
    'Saint Pierre Standard Time': 'America/Miquelon',
    'Bahia Standard Time': 'America/Bahia',
    'UTC-02': 'Etc/GMT+2',
    'Azores Standard Time': 'Atlantic/Azores',
    'Cape Verde Standard Time': 'Atlantic/Cape_Verde',
    'UTC': 'Etc/GMT',
    'GMT Standard Time': 'Europe/London',
    'Greenwich Standard Time': 'Atlantic/Reykjavik',
    'Sao Tome Standard Time': 'Africa/Sao_Tome',
    'Morocco Standard Time': 'Africa/Casablanca',
    'W. Europe Standard Time': 'Europe/Berlin',
    'Central Europe Standard Time': 'Europe/Budapest',
    'Romance Standard Time': 'Europe/Paris',
    'Central European Standard Time': 'Europe/Warsaw',
    'W. Central Africa Standard Time': 'Africa/Lagos',
    'Jordan Standard Time': 'Asia/Amman',
    'GTB Standard Time': 'Europe/Bucharest',
    'Middle East Standard Time': 'Asia/Beirut',
    'Egypt Standard Time': 'Africa/Cairo',
    'E. Europe Standard Time': 'Europe/Chisinau',
    'Syria Standard Time': 'Asia/Damascus',
    'West Bank Standard Time': 'Asia/Hebron',
    'South Africa Standard Time': 'Africa/Johannesburg',
    'FLE Standard Time': 'Europe/Kiev',
    'Israel Standard Time': 'Asia/Jerusalem',
    'Kaliningrad Standard Time': 'Europe/Kaliningrad',
    'Sudan Standard Time': 'Africa/Khartoum',
    'Libya Standard Time': 'Africa/Tripoli',
    'Namibia Standard Time': 'Africa/Windhoek',
    'Arabic Standard Time': 'Asia/Baghdad',
    'Turkey Standard Time': 'Europe/Istanbul',
    'Arab Standard Time': 'Asia/Riyadh',
    'Belarus Standard Time': 'Europe/Minsk',
    'Russian Standard Time': 'Europe/Moscow',
    'E. Africa Standard Time': 'Africa/Nairobi',
    'Iran Standard Time': 'Asia/Tehran',
    'Arabian Standard Time': 'Asia/Dubai',
    'Astrakhan Standard Time': 'Europe/Astrakhan',
    'Azerbaijan Standard Time': 'Asia/Baku',
    'Russia Time Zone 3': 'Europe/Samara',
    'Mauritius Standard Time': 'Indian/Mauritius',
    'Saratov Standard Time': 'Europe/Saratov',
    'Georgian Standard Time': 'Asia/Tbilisi',
    'Volgograd Standard Time': 'Europe/Volgograd',
    'Caucasus Standard Time': 'Asia/Yerevan',
    'Afghanistan Standard Time': 'Asia/Kabul',
    'West Asia Standard Time': 'Asia/Tashkent',
    'Ekaterinburg Standard Time': 'Asia/Yekaterinburg',
    'Pakistan Standard Time': 'Asia/Karachi',
    'Qyzylorda Standard Time': 'Asia/Qyzylorda',
    'India Standard Time': 'Asia/Calcutta',
    'Sri Lanka Standard Time': 'Asia/Colombo',
    'Nepal Standard Time': 'Asia/Katmandu',
    'Central Asia Standard Time': 'Asia/Almaty',
    'Bangladesh Standard Time': 'Asia/Dhaka',
    'Omsk Standard Time': 'Asia/Omsk',
    'Myanmar Standard Time': 'Asia/Rangoon',
    'SE Asia Standard Time': 'Asia/Bangkok',
    'Altai Standard Time': 'Asia/Barnaul',
    'W. Mongolia Standard Time': 'Asia/Hovd',
    'North Asia Standard Time': 'Asia/Krasnoyarsk',
    'N. Central Asia Standard Time': 'Asia/Novosibirsk',
    'Tomsk Standard Time': 'Asia/Tomsk',
    'China Standard Time': 'Asia/Shanghai',
    'North Asia East Standard Time': 'Asia/Irkutsk',
    'Singapore Standard Time': 'Asia/Singapore',
    'W. Australia Standard Time': 'Australia/Perth',
    'Taipei Standard Time': 'Asia/Taipei',
    'Ulaanbaatar Standard Time': 'Asia/Ulaanbaatar',
    'Aus Central W. Standard Time': 'Australia/Eucla',
    'Transbaikal Standard Time': 'Asia/Chita',
    'Tokyo Standard Time': 'Asia/Tokyo',
    'North Korea Standard Time': 'Asia/Pyongyang',
    'Korea Standard Time': 'Asia/Seoul',
    'Yakutsk Standard Time': 'Asia/Yakutsk',
    'Cen. Australia Standard Time': 'Australia/Adelaide',
    'AUS Central Standard Time': 'Australia/Darwin',
    'E. Australia Standard Time': 'Australia/Brisbane',
    'AUS Eastern Standard Time': 'Australia/Sydney',
    'West Pacific Standard Time': 'Pacific/Port_Moresby',
    'Tasmania Standard Time': 'Australia/Hobart',
    'Vladivostok Standard Time': 'Asia/Vladivostok',
    'Lord Howe Standard Time': 'Australia/Lord_Howe',
    'Bougainville Standard Time': 'Pacific/Bougainville',
    'Russia Time Zone 10': 'Asia/Srednekolymsk',
    'Magadan Standard Time': 'Asia/Magadan',
    'Norfolk Standard Time': 'Pacific/Norfolk',
    'Sakhalin Standard Time': 'Asia/Sakhalin',
    'Central Pacific Standard Time': 'Pacific/Guadalcanal',
    'Russia Time Zone 11': 'Asia/Kamchatka',
    'New Zealand Standard Time': 'Pacific/Auckland',
    'UTC+12': 'Etc/GMT-12',
    'Fiji Standard Time': 'Pacific/Fiji',
    'Chatham Islands Standard Time': 'Pacific/Chatham',
    'UTC+13': 'Etc/GMT-13',
    'Tonga Standard Time': 'Pacific/Tongatapu',
    'Samoa Standard Time': 'Pacific/Apia',
    'Line Islands Standard Time': 'Pacific/Kiritimati'
}


def get_iana_from_windows(windows_tz_name):
    if windows_tz_name in zone_mappings:
        return zone_mappings[windows_tz_name]
    else:
        # Assume if not found value is
        # already an IANA name
        return windows_tz_name
# </ZoneMappingsSnippet>
